//  Copyright 2011 Google Inc. All Rights Reserved.
//
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.

part of collab;

abstract class Transport {
  void set onOpen(void callback(Connection connection));
}

abstract class Connection {
  void set onMessage(void callback(Message message));
  void set onClosed(void callback());
  void set onError(void callback(e));

  void send(Message message);
  void close();
}
